CN204739037U - Tram hydraulic braking unit oil tank air -breather - Google Patents
Tram hydraulic braking unit oil tank air -breather Download PDFInfo
- Publication number
- CN204739037U CN204739037U CN201520503819.XU CN201520503819U CN204739037U CN 204739037 U CN204739037 U CN 204739037U CN 201520503819 U CN201520503819 U CN 201520503819U CN 204739037 U CN204739037 U CN 204739037U
- Authority
- CN
- China
- Prior art keywords
- breather plug
- waterproof
- oil tank
- breather
- valve block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002828 fuel tank Substances 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 24
- 239000000523 sample Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to a tram hydraulic braking unit oil tank air -breather, including breather plug, sealing washer, air guide hole and air duct, the through -hole structure is adopted in the air guide hole, sets up in the inside upper end of integrated valve block, through the air duct of visiting air chamber to the oil tank in to and set up in the inside breather plug of electric elements safety cover the intercommunication of realization electric elements safety cover, integrated valve block and oil tank. The utility model discloses a ventilating of two waterproof ventilative subassemblies realization oil tanks during the change, only needs to change waterproof ventilative subassembly, and does not need to pull down whole breather plug from the oil tank, and the convenience is overhauld and is changed, when oil tank surface covering ice and snow, because inside placing the electric elements safety cover in the breather plug, and waterproof ventilative unit mount in the side of breather plug body, the ventilative face of waterproof ventilative subassembly can not covered by sleet, and can effectively stop sleet etc. To fall into, guarantees train driving safety.
Description
Technical field
The utility model relates to rail vehicle braking technical field, specifically, relates to a kind of tram car hydraulic brake unit oil tank ventilating device.
Background technique
Modern tram is owing to adopting low-floor structure, and the installing space of braking system is limited, usually adopts the high valve block formula hydraulic unit of integration degree to provide retardation pressure.
Existing tram car hydraulic brake unit composition, as Fig. 1, comprises electric elements safety cover 1, integrated valve block 2, fuel tank 3, breather plug 4 etc.Because the element manipulation such as oil hydraulic pump in fuel tank 3 needs and air unimpeded guarantee fuel tank 3 are normal, usually breather plug 4 is arranged on the mounting hole of fuel tank 3 upper surface, mounting hole is through hole, ensure fuel tank inner chamber and air unimpeded, breather plug 4 has certain hydrophobic property, generally can ensure that fuel tank 3 inner fluid is communicated with air, and avoid steam to be mixed into fuel tank 3.
In the area that latitude is higher, often can there is sleet winter, freeze weather, above-mentioned hydraulic unit to be arranged on bottom tram car and from surface distance very close to, breather plug 4 surface by snow cover, can generate heat during element manipulation in hydraulic unit and make snow melting, and more water accumulation covers breather plug 4 surface, affect fuel tank 3 venting capability, even also under the effect of negative pressure, ponding can be sucked fuel tank 3 by breather plug 4, affect hydraulic braking sytem work, threaten traffic safety.
China Patent No. CN201320722934 discloses a kind of waterproof and breathable plug for speed reducer and is provided with the speed reducer of this waterproof and breathable plug, comprise permeability cell, connecting tube and cover piece, permeability cell is cup type, there is perisporium and diapire, perisporium and diapire are provided with at least one air hole, realize enclosure interior and ventilate with extraneous.This porous plug can prevent steam from entering into the enclosure interior of speed reducer, avoids the greasy property caused because water content of lubricating oil amount increases to reduce.But because this porous plug structure installs cover plate, connecting tube, permeability cell from top to bottom successively, its air flow path is unidirectional longitudinal construction, when tank surface covering ice and snow, porous plug still can be caused to occur, and sleet covers rear situation that is smooth and sleet infiltration of ventilating, so that affects the traffic safety of train.
Model utility content
The purpose of this utility model is to provide a kind of tram car hydraulic brake unit oil tank ventilating device, and it is inner that breather plug is built in electric elements safety cover, ventilates smoothly simultaneously, avoid rainwater etc. to fall into fuel tank internal at guarantee fuel tank with extraneous.
The technical solution of the utility model is: tram car hydraulic brake unit oil tank ventilating device, and this air-breather comprises breather plug, seal ring, gas port and air pipe, and gas port adopts through-hole structure, is arranged at integrated valve block inner upper end; It is inner that breather plug is arranged at electric elements safety cover, and the wire harness hole be provided with by electric elements safety cover and the external world carry out gas exchanges; Breather plug is installed on the integrated valve block gas port of the inner side of electric elements safety cover, and breather plug is coaxial with gas port, and breather plug is by gas port and integrated valve block inner space; Seal ring is installed on breather plug and integrated valve block connecting part; Air pipe one end is installed on the integrated valve block gas port of fuel tank internal side, and the air pipe the other end probes into the air cavity above fuel tank internal, and air pipe is coaxial and be interconnected with gas port.
Preferably, for guaranteeing the smoothness that this breather plug and ambient atmos circulate, the structure of described breather plug comprises breather plug body and waterproof and breathable assembly, and waterproof and breathable assembly has two, and two waterproof and breathable assembly symmetries are installed on the side of breather plug body.
Preferably, described breather plug body comprises installation and screws head, horizontal communication hole, waterproof and breathable assembly mounting groove and main installation screw section; The side that described installation screws head is provided with the gripping surface that multiple offside is arranged, two waterproof and breathable assembly mounting grooves are arranged to install and screw the gripping surface that on head, offside is arranged; Horizontal communication hole is arranged at the connecting part of waterproof and breathable assembly mounting groove and waterproof and breathable assembly, and the waterproof and breathable assembly mounting groove of horizontal communication hole lateral direction penetrating offside; Described waterproof and breathable assembly is threadedly installed on horizontal communication hole, and two waterproof and breathable assemblies are mutually through by horizontal communication hole; Axle center place, described main installation screw section arranges longitudinal vent, and longitudinal vent is vertical with horizontal communication hole and interpenetrate, and longitudinal vent, horizontal communication hole and fuel tank form breather plug air-flow path jointly.
Preferably, described waterproof and breathable assembly mounting groove adopts semi-circular recesses, and the upper end that groove upper end screws head with installation flushes, and groove lower end adopts arcuate structure.
Preferably, described breather plug body is provided with the primary seal circle mounting groove for installing seal ring, and primary seal circle mounting groove is arranged at main installation screw section and installation screws a connecting part.
Preferably, described air pipe adopts stainless steel hollow straight tube, and air pipe one end adopts engagement thread to be installed on fuel tank near integrated valve block side.
The utility model beneficial effect is compared with prior art:
Compared with prior art; air-breather of the present utility model comprises breather plug, seal ring, gas port and air pipe; gas port is the through hole near integrated valve block upper end; realize electric elements safety cover, integrated valve block is communicated with fuel tank; by probeing into the air pipe of air cavity to fuel tank; and be arranged at the breather plug of electric elements safety cover inside, realize being communicated with between fuel tank with outside air.
Breather plug adopts the side two waterproof and breathable assembly symmetries being installed on breather plug body, realized the ventilation of fuel tank by two waterproof and breathable assemblies, during replacing, only need change waterproof and breathable assembly, and do not need whole breather plug to pull down from fuel tank, convenient maintenance and replacing.
Breather plug adopts the side two waterproof and breathable assembly symmetries being installed on breather plug body, and it is mutually through by horizontal communication hole, and the longitudinal vent be communicated with fuel tank is set at axle center place, main installation screw section, longitudinal vent is directly communicated with fuel tank, because longitudinal vent is vertical with horizontal communication hole and interpenetrate, longitudinal vent, horizontal communication hole and fuel tank form breather plug air-flow path jointly, namely the air flow path of breather plug is crosspassage and the through effect of vertical passage, greatly improves the ventilation gas permeability of breather plug.
When tank surface covers ice and snow; because breather plug is built in electric elements safety cover inside, and waterproof and breathable assembly is installed on the side of breather plug body, and the ventilative face of waterproof and breathable assembly can not be covered by sleet; and can effectively stop sleet etc. to fall into, guarantee train traffic safety.
Accompanying drawing explanation
Fig. 1 is existing tram car hydraulic brake unit structural representation;
The structural representation of Fig. 2 the utility model hydraulic brake unit;
Fig. 3 is ventilation plug structure schematic diagram;
Fig. 4 is breather plug sectional view.
In figure, 1 electric elements safety cover; 2 integrated valve blocks; 3 fuel tanks; 4 breather plugs; 5 seal rings; 6 gas ports; 7 air pipes;
41 breather plug bodies; 42 waterproof and breathable assemblies;
411 installations screw head; 412 horizontal communication holes; 413 waterproof and breathable assembly mounting grooves; 414 main installation screw sections;
415 longitudinal vents; 416 primary seal circle mounting grooves; Screw section installed by 417 waterproof and breathable assemblies.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to protection domain of the present utility model.
Embodiment 1
See Fig. 2; the hydraulic brake unit of the utility model tram car comprises electric elements safety cover 1, integrated valve block 2 and fuel tank 3; the wherein upper end mounting electrical element protection cover 1 of fuel tank 3; integrated valve block 2 is installed between electric elements safety cover 1 and fuel tank 3, and electric elements safety cover 1 is provided with wire harness hole.
Tram car hydraulic brake unit oil tank ventilating device disclosed in the utility model; breather plug 4 is built in electric elements safety cover 1 inner; ventilate smoothly simultaneously with extraneous at guarantee fuel tank; avoid rainwater etc. to fall into fuel tank internal, the concrete structure of this air-breather is: comprise breather plug 4, seal ring 5, gas port 6 and air pipe 7.
Gas port 6 adopts through-hole structure, is arranged at integrated valve block 2 upper end inner, namely realizes communicating of electric elements safety cover 1 inner chamber and fuel tank 3 inner chamber.Gas port 6 integrated valve block 2 inner with all the other oil circuits in integrated valve block 2 without interference.
It is inner that breather plug 4 is arranged at electric elements safety cover 1; and the wire harness hole be provided with by electric elements safety cover 1 and the external world carry out gas exchanges; adopt the mode that breather plug 4 is built-in; gas exchanges is carried out by wire harness hole and the external world; do not affect the smoothness of fuel tank gas exchanges; and under the covering effect of electric elements safety cover 1, rainwater etc. can be avoided directly to fall into fuel tank.Breather plug 4 is threadedly installed on the gas port 6 on electric elements safety cover 1 inner side integrated valve block 2, and breather plug 4 is coaxial with gas port 6, and breather plug 4 is by gas port 6 and integrated valve block 2 inner space.
See Fig. 3 and Fig. 4, unlike the prior art, the concrete structure of the utility model breather plug 4 is the structure composition of breather plug 4: comprise breather plug body 41 and waterproof and breathable assembly 42.
Waterproof and breathable assembly 42 has two, two waterproof and breathable assembly 42 symmetries are installed on the side of breather plug body 41, dust-proof, waterproof and vent ability is good, breather plug body 41 is arranged at the side of breather plug compared with breather plug body being arranged in prior art the top of breather plug, tank surface can be avoided to cover ice and snow, affect the vent ability of breather plug.
Breather plug body 41 comprises that installation screws 411, horizontal communication hole 412, waterproof and breathable assembly mounting groove 413 and main installation screw section 414.
Setting tool such as installation screws 411 for polygon prism structure, and its side is provided with the gripping surface that multiple offside is arranged, and each gripping surface is fillet structure, guarantees that dust and rainwater do not retain, use spanner clamp this gripping surface and install this breather plug.
Waterproof and breathable assembly mounting groove 413 has two, for installing waterproof and breathable assembly 42, and two waterproof and breathable assembly mounting grooves 413 are arranged to install and screw the gripping surface that on 411, offside is arranged, waterproof and breathable assembly mounting groove 413 adopts semi-circular recesses, the upper end that groove upper end and installing screws 411 flushes, and groove lower end adopts arcuate structure.
Horizontal communication hole 412 is arranged at the connecting part of waterproof and breathable assembly mounting groove 413 and waterproof and breathable assembly 42, and the waterproof and breathable assembly mounting groove 413 of horizontal communication hole 412 lateral direction penetrating offside, the inwall in horizontal communication hole 412 is provided with waterproof and breathable assembly and installs screw section 417, waterproof and breathable assembly 42 is threadedly installed on horizontal communication hole 412, and the transverse direction realizing this breather plug is breathed freely.
Main installation screw section 414 is positioned to install and screws directly over 411, and main installation screw section 414 is installed on fuel tank breather plug mount inlet.Axle center place, main installation screw section 414 arranges longitudinal vent 415, longitudinal vent 415 is vertical with horizontal communication hole 412 and interpenetrate, jointly form breather plug air-flow path by longitudinal vent 415, horizontal communication hole 412 with fuel tank, three's acting in conjunction strengthens the air permeable effect of this breather plug.Main installation screw section 414 screws 411 connecting part with installation and is provided with primary seal circle mounting groove 416, for installing seal ring 5.
Seal ring 5 is installed on breather plug 4 and integrated valve block 2 connecting part, plays seal action.
Air pipe 7 adopts stainless steel hollow straight tube, air pipe 7 one end adopts engagement thread to be installed on the gas port 6 on the inner integrated valve block 2 of fuel tank 3, and air pipe 7 the other end probes into the air cavity of fuel tank 3 inner upper, air pipe 7 is coaxial and be interconnected with gas port 6.Air pipe 7 also can adopt other corrosion-resistant materials, and air pipe 7 probes into fuel tank 3 inside and vehicle can be avoided to rock the fluid caused pour in down a chimney, and while the ventilation of guarantee fuel tank, guarantees the normal use of brake unit and the traffic safety of vehicle.
The working procedure of the utility model tram car hydraulic brake unit oil tank ventilating device is:
Electric elements safety cover 1, integrated valve block 2 and fuel tank 3 erection sequence have been assembled; integrated valve block upper end arranges through hole as gas port 6; gas port 6 realizes being communicated with of electric elements safety cover 1 inner chamber and fuel tank 3 inner chamber top; air pipe 7 is installed on the gas port of the connecting part of integrated valve block 2 and fuel tank 3; and air pipe 7 is coaxial with gas port 6; air pipe 7 one end probes into inside fuel tank 3, realizes being communicated with of fuel tank 3 and integrated valve block 2.Breather plug 4 is threadedly installed on the gas port of electric elements safety cover 1 near integrated valve block 2 side, the wire harness hole that breather plug 4 is provided with by electric elements safety cover 1 and the external world carry out gas exchanges.
Claims (6)
1. tram car hydraulic brake unit oil tank ventilating device, is characterized in that: this air-breather comprises breather plug, seal ring, gas port and air pipe, and gas port adopts through-hole structure, is arranged at integrated valve block inner upper end; It is inner that breather plug is arranged at electric elements safety cover, and the wire harness hole be provided with by electric elements safety cover and the external world carry out gas exchanges; Breather plug is installed on the integrated valve block gas port of the inner side of electric elements safety cover, and breather plug is coaxial with gas port, and breather plug is by gas port and integrated valve block inner space; Seal ring is installed on breather plug and integrated valve block connecting part; Air pipe one end is installed on the integrated valve block gas port of fuel tank internal side, and the air pipe the other end probes into the air cavity above fuel tank internal, and air pipe is coaxial and be interconnected with gas port.
2. tram car hydraulic brake unit oil tank ventilating device according to claim 1, it is characterized in that: the structure of described breather plug comprises breather plug body and waterproof and breathable assembly, waterproof and breathable assembly has two, and two waterproof and breathable assembly symmetries are installed on the side of breather plug body.
3. tram car hydraulic brake unit oil tank ventilating device according to claim 2, is characterized in that: described breather plug body comprises installation and screws head, horizontal communication hole, waterproof and breathable assembly mounting groove and main installation screw section; The side that described installation screws head is provided with the gripping surface that multiple offside is arranged, two waterproof and breathable assembly mounting grooves are arranged to install and screw the gripping surface that on head, offside is arranged; Horizontal communication hole is arranged at the connecting part of waterproof and breathable assembly mounting groove and waterproof and breathable assembly, and the waterproof and breathable assembly mounting groove of horizontal communication hole lateral direction penetrating offside; Described waterproof and breathable assembly is threadedly installed on horizontal communication hole; Axle center place, described main installation screw section arranges longitudinal vent, and longitudinal vent is vertical with horizontal communication hole and interpenetrate, and longitudinal vent, horizontal communication hole and fuel tank form breather plug air-flow path jointly.
4. tram car hydraulic brake unit oil tank ventilating device according to claim 3, is characterized in that: described waterproof and breathable assembly mounting groove adopts semi-circular recesses, and the upper end that groove upper end screws head with installation flushes, and groove lower end adopts arcuate structure.
5. tram car hydraulic brake unit oil tank ventilating device according to claim 3, it is characterized in that: described breather plug body is provided with the primary seal circle mounting groove for installing seal ring, and primary seal circle mounting groove is arranged at main installation screw section and installation screws a connecting part.
6. tram car hydraulic brake unit oil tank ventilating device according to claim 1, is characterized in that: described air pipe adopts stainless steel hollow straight tube, and air pipe one end adopts engagement thread to be installed on fuel tank internal integrated valve block gas port.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503819.XU CN204739037U (en) | 2015-07-13 | 2015-07-13 | Tram hydraulic braking unit oil tank air -breather |
| PCT/CN2016/082181 WO2017008568A1 (en) | 2015-07-13 | 2016-05-16 | Hydraulic brake unit oil tank breather for tramcars |
| EP16823715.4A EP3168482B1 (en) | 2015-07-13 | 2016-05-16 | Oil tank ventilation device for hydraulic brake of tramcars |
| US15/507,724 US10480551B2 (en) | 2015-07-13 | 2016-05-16 | Traction control system for electric multiple units |
| RU2017106621A RU2643852C1 (en) | 2015-07-13 | 2016-05-16 | Ventilation device of oil tank for brake assembly with hydraulic drive of tram car |
| JP2017519864A JP6325750B2 (en) | 2015-07-13 | 2016-05-16 | Oil tank ventilation device for hydraulic brake unit of tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503819.XU CN204739037U (en) | 2015-07-13 | 2015-07-13 | Tram hydraulic braking unit oil tank air -breather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204739037U true CN204739037U (en) | 2015-11-04 |
Family
ID=54420776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520503819.XU Expired - Fee Related CN204739037U (en) | 2015-07-13 | 2015-07-13 | Tram hydraulic braking unit oil tank air -breather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204739037U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041785A (en) * | 2015-07-13 | 2015-11-11 | 青岛四方车辆研究所有限公司 | Oil tank ventilation device for hydraulic brake unit of tramcar |
| WO2017008568A1 (en) * | 2015-07-13 | 2017-01-19 | 中车青岛四方车辆研究所有限公司 | Hydraulic brake unit oil tank breather for tramcars |
| CN110239725A (en) * | 2019-05-29 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of aircraft detachable constant temperature anti-shake vibration oil tank |
-
2015
- 2015-07-13 CN CN201520503819.XU patent/CN204739037U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041785A (en) * | 2015-07-13 | 2015-11-11 | 青岛四方车辆研究所有限公司 | Oil tank ventilation device for hydraulic brake unit of tramcar |
| WO2017008568A1 (en) * | 2015-07-13 | 2017-01-19 | 中车青岛四方车辆研究所有限公司 | Hydraulic brake unit oil tank breather for tramcars |
| US10480551B2 (en) | 2015-07-13 | 2019-11-19 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Traction control system for electric multiple units |
| CN110239725A (en) * | 2019-05-29 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of aircraft detachable constant temperature anti-shake vibration oil tank |
| CN110239725B (en) * | 2019-05-29 | 2023-04-14 | 陕西飞机工业（集团）有限公司 | Detachable constant-temperature anti-shaking and anti-vibrating lubricating oil tank for airplane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Ruichang Road, Shandong, China, No. 231, No. Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 |